/**
 * Sanitizes an object by redacting sensitive fields
 */
declare function sanitizeObject(obj: unknown, maxDepth?: number, currentDepth?: number): unknown;
/**
 * Safe logger that sanitizes sensitive data before logging
 */
export declare class SafeLogger {
    static debug(message: string, data?: unknown): void;
    static info(message: string, data?: unknown): void;
    static warn(message: string, data?: unknown): void;
    static error(message: string, data?: unknown): void;
    /**
     * Sanitize arguments object specifically for MCP tool calls
     */
    static sanitizeToolArgs(args: unknown): unknown;
    /**
     * Create a safe message for approval requests
     */
    static createApprovalMessage(duckName: string, server: string, tool: string, args: unknown): string;
}
export { sanitizeObject };
//# sourceMappingURL=safe-logger.d.ts.map